1 – [al-Kafi] Humayd b. Ziyad from al-Khashshab from Ibn Baqqah from Mu`adh b. Thabit from `Amr b. Jami` from Abu `Abdillah عليهالسلام. He said: The Messiah عليهالسلام used to say: Do not do much of speaking in other than the remembrance of Allah, hardening your hearts. However you do not know.